Wiser for KNX (W4K) and spaceLYnk are very similar products with few differences. You can find the differences between spaceLYnk and Wiser for KNX on page # 13 of the spaceLYnk User guide which can be downloaded from Schneider's global website via the following direct link:
https://download.schneider-electric.com/files?p_enDocType=User+guide&p_File_Name=AR1796_EdK_User_Guide_spaceLYnk_EN.pdf

Released for:Schneider Electric South Africa